diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-03-01 19:31:19 +0200 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2022-03-04 18:24:19 +0200 |
| commit | fe70b262e781de9949a6c26b50767867d9da71b3 (patch) | |
| tree | bb9e12a735306a454814adf6518841e1903f4b5f /drivers/gpu/drm/i915/display/intel_dpll_mgr.c | |
| parent | drm/i915: Nuke skl_wrpll_context_init() (diff) | |
| download | linux-dev-fe70b262e781de9949a6c26b50767867d9da71b3.tar.xz linux-dev-fe70b262e781de9949a6c26b50767867d9da71b3.zip | |
drm/i915: Move a bunch of stuff into rodata from the stack
Toss a bunch if constants into .rodata drom the stack. Also
shrink the types of some of the arrays to reduce the size.
bloat-o-meter -c intel_dpll_mgr.o:
add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-86 (-86)
Function old new delta
icl_get_dplls 3393 3372 -21
skl_get_dpll 2069 2004 -65
Total: Before=28029, After=27943, chg -0.31%
add/remove: 0/0 grow/shrink: 0/0 up/down: 0/0 (0)
Data old new delta
Total: Before=17, After=17, chg +0.00%
add/remove: 2/0 grow/shrink: 0/2 up/down: 28/-129 (-101)
RO Data old new delta
dco_central_freq - 24 +24
div1_vals - 4 +4
odd_dividers 28 7 -21
even_dividers 144 36 -108
Total: Before=3600, After=3499, chg -2.81%
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220301173128.6988-3-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_dpll_mgr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c index 0a7687fd8096..6250a42517a6 100644 --- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c +++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c @@ -1498,18 +1498,17 @@ skl_ddi_calculate_wrpll(int clock /* in Hz */, int ref_clock, struct skl_wrpll_params *wrpll_params) { - u64 afe_clock = clock * 5; /* AFE Clock is 5x Pixel clock */ - u64 dco_central_freq[3] = { 8400000000ULL, - 9000000000ULL, - 9600000000ULL }; - static const int even_dividers[] = { 4, 6, 8, 10, 12, 14, 16, 18, 20, - 24, 28, 30, 32, 36, 40, 42, 44, - 48, 52, 54, 56, 60, 64, 66, 68, - 70, 72, 76, 78, 80, 84, 88, 90, - 92, 96, 98 }; - static const int odd_dividers[] = { 3, 5, 7, 9, 15, 21, 35 }; + static const u64 dco_central_freq[3] = { 8400000000ULL, + 9000000000ULL, + 9600000000ULL }; + static const u8 even_dividers[] = { 4, 6, 8, 10, 12, 14, 16, 18, 20, + 24, 28, 30, 32, 36, 40, 42, 44, + 48, 52, 54, 56, 60, 64, 66, 68, + 70, 72, 76, 78, 80, 84, 88, 90, + 92, 96, 98 }; + static const u8 odd_dividers[] = { 3, 5, 7, 9, 15, 21, 35 }; static const struct { - const int *list; + const u8 *list; int n_dividers; } dividers[] = { { even_dividers, ARRAY_SIZE(even_dividers) }, @@ -1520,6 +1519,7 @@ skl_ddi_calculate_wrpll(int clock /* in Hz */, }; unsigned int dco, d, i; unsigned int p0, p1, p2; + u64 afe_clock = clock * 5; /* AFE Clock is 5x Pixel clock */ for (d = 0; d < ARRAY_SIZE(dividers); d++) { for (dco = 0; dco < ARRAY_SIZE(dco_central_freq); dco++) { @@ -2754,8 +2754,8 @@ static bool icl_mg_pll_find_divisors(int clock_khz, bool is_dp, bool use_ssc, struct intel_dpll_hw_state *state, bool is_dkl) { + static const u8 div1_vals[] = { 7, 5, 3, 2 }; u32 dco_min_freq, dco_max_freq; - int div1_vals[] = {7, 5, 3, 2}; unsigned int i; int div2; |